Request for clarification please

Originally Posted by Guides Bot

Spoiler

!!IOS60-System-Compatibility-Test.wad -> This wad simply ensures that your wii is compatible with the system IOS installed by this guide. It is the first wad installed, and is replaced by the second wad 1OS236.wad. This test insures that Nintendo never produces a wii that is incompatible with the current setup of the guide. At this time, all Wii consoles are compatible, but there is a very very small possibility that some newer Wii will not be. This test would would halt the installation if such a wii was developed, preventing any damage to it.

oh yes one more question sir, can i update online to 4.3 and just use the letterbomb method? i know it says never update via nintendo. but how can i get 4.3 if i don't update online. Thank you so much in advance for the help.